Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:30139' (ECDSA) to the list of known hosts. 2023/05/16 13:25:12 fuzzer started 2023/05/16 13:25:12 dialing manager at localhost:35573 2023/05/16 13:25:12 checking machine... 2023/05/16 13:25:12 checking revisions... syzkaller login: [ 33.548016] kmemleak: Automatic memory scanning thread ended 2023/05/16 13:25:12 testing simple program... [ 33.608558] cgroup: Unknown subsys name 'net' [ 33.703334] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 45.931010] audit: type=1400 audit(1684243524.994:6): avc: denied { execmem } for pid=258 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 47.009742] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 47.012461] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 47.013722] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 47.016945] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 47.018925] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 47.020689] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 47.397279] ------------[ cut here ]------------ [ 47.398059] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 47.400299] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 47.401619] Modules linked in: [ 47.402149] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 47.404242] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 47.406227] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 47.406985] Code: 89 d8 4c 8b 43 08 48 c1 e8 03 42 80 3c 20 00 0f 85 af 00 00 00 48 8b 13 4c 89 e9 4c 89 fe 48 c7 c7 20 24 e2 84 e8 6a cd d5 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 47.409243] RSP: 0018:ffff88801a1bfc00 EFLAGS: 00010282 [ 47.409895] RAX: 0000000000000000 RBX: ffff88800ee70840 RCX: 0000000000000000 [ 47.410804] RDX: ffff88800c9e9b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 47.411670] RBP: ffff88800ee70854 R08: 0000000000000001 R09: 0000000000000000 [ 47.412590] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 47.413510] R13: ffffffff84e223a0 R14: ffff88800ee70848 R15: ffffffff84d73340 [ 47.414433] FS: 0000555557109400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 47.415444] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.416216] CR2: 00007fb3fd8456f4 CR3: 0000000009d80000 CR4: 0000000000350ef0 [ 47.417141] Call Trace: [ 47.417469] [ 47.417776] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 47.418453] ipv4_frags_init_net+0x269/0x440 [ 47.419022] ops_init+0xbb/0x6b0 [ 47.419503] setup_net+0x3d9/0x990 [ 47.419951] ? down_read_killable+0x1d7/0x4e0 [ 47.420567] ? __pfx_setup_net+0x10/0x10 [ 47.421146] ? copy_net_ns+0x17c/0x770 [ 47.421680] copy_net_ns+0x321/0x770 [ 47.422208] create_new_namespaces+0x3f6/0xb30 [ 47.422792] unshare_nsproxy_namespaces+0xc1/0x200 [ 47.423447] ksys_unshare+0x44d/0x8e0 [ 47.423943] ? __pfx_ksys_unshare+0x10/0x10 [ 47.424530] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 47.425305] __x64_sys_unshare+0x31/0x40 [ 47.425832] do_syscall_64+0x3f/0x90 [ 47.426372] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 47.427031] RIP: 0033:0x7fc0d6f580d7 [ 47.427525] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 47.429714] RSP: 002b:00007fffe9f68d48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 47.430703] RAX: ffffffffffffffda RBX: 00007fffe9f69388 RCX: 00007fc0d6f580d7 [ 47.431597] RDX: 00007fc0d6fc241f RSI: 00007fffe9f68ce0 RDI: 0000000040000000 [ 47.432492] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffe9f68af0 [ 47.433384] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fc0d706abf0 [ 47.434345] R13: 00007fffe9f68e20 R14: 0000000000000000 R15: 00000000000000f8 [ 47.435270] [ 47.435572] irq event stamp: 9497 [ 47.435988] hardirqs last enabled at (9507): [] __up_console_sem+0x78/0x80 [ 47.437073] hardirqs last disabled at (9518): [] __up_console_sem+0x5d/0x80 [ 47.438168] softirqs last enabled at (9096): [] irq_exit_rcu+0x93/0xc0 [ 47.439232] softirqs last disabled at (9079): [] irq_exit_rcu+0x93/0xc0 [ 47.440275] ---[ end trace 0000000000000000 ]--- [ 47.449638] ------------[ cut here ]------------ [ 47.450523] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 47.452329] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 47.453401] Modules linked in: [ 47.453824] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 47.454999] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 47.456036] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 47.456819] Code: 89 d8 4c 8b 43 08 48 c1 e8 03 42 80 3c 20 00 0f 85 af 00 00 00 48 8b 13 4c 89 e9 4c 89 fe 48 c7 c7 20 24 e2 84 e8 6a cd d5 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 47.459139] RSP: 0018:ffff88801a1bfc00 EFLAGS: 00010282 [ 47.459805] RAX: 0000000000000000 RBX: ffff88800a720040 RCX: 0000000000000000 [ 47.460812] RDX: ffff88800c9e9b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 47.461832] RBP: ffff88800a720054 R08: 0000000000000001 R09: 0000000000000000 [ 47.462825] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 47.463827] R13: ffffffff84e223a0 R14: ffff88800a720048 R15: ffffffff84da62e0 [ 47.464826] FS: 0000555557109400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 47.465933] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.466784] CR2: 00007fad6348a570 CR3: 0000000009d80000 CR4: 0000000000350ee0 [ 47.467785] Call Trace: [ 47.468237] [ 47.468541] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 47.469270] ipv6_frags_init_net+0x206/0x3c0 [ 47.469845] ops_init+0xbb/0x6b0 [ 47.470409] setup_net+0x3d9/0x990 [ 47.470867] ? down_read_killable+0x1d7/0x4e0 [ 47.471528] ? __pfx_setup_net+0x10/0x10 [ 47.472037] ? copy_net_ns+0x17c/0x770 [ 47.472571] copy_net_ns+0x321/0x770 [ 47.473057] create_new_namespaces+0x3f6/0xb30 [ 47.473695] unshare_nsproxy_namespaces+0xc1/0x200 [ 47.474357] ksys_unshare+0x44d/0x8e0 [ 47.474849] ? __pfx_ksys_unshare+0x10/0x10 [ 47.475430] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 47.476176] __x64_sys_unshare+0x31/0x40 [ 47.476691] do_syscall_64+0x3f/0x90 [ 47.477197] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 47.477847] RIP: 0033:0x7fc0d6f580d7 [ 47.478351] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 47.480516] RSP: 002b:00007fffe9f68d48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 47.481474] RAX: ffffffffffffffda RBX: 00007fffe9f69388 RCX: 00007fc0d6f580d7 [ 47.482384] RDX: 00007fc0d6fc241f RSI: 00007fffe9f68ce0 RDI: 0000000040000000 [ 47.483289] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffe9f68af0 [ 47.484188] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fc0d706abf0 [ 47.485047] R13: 00007fffe9f68e20 R14: 0000000000000000 R15: 00000000000000f8 [ 47.485971] [ 47.486301] irq event stamp: 12821 [ 47.486751] hardirqs last enabled at (12831): [] __up_console_sem+0x78/0x80 [ 47.487836] hardirqs last disabled at (12842): [] __up_console_sem+0x5d/0x80 [ 47.488906] softirqs last enabled at (12582): [] irq_exit_rcu+0x93/0xc0 [ 47.489970] softirqs last disabled at (12561): [] irq_exit_rcu+0x93/0xc0 [ 47.491017] ---[ end trace 0000000000000000 ]--- [ 47.492444] ------------[ cut here ]------------ [ 47.493034] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 47.494964] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 47.496035] Modules linked in: [ 47.496468] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 47.497641] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 47.498653] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 47.499323] Code: 89 d8 4c 8b 43 08 48 c1 e8 03 42 80 3c 20 00 0f 85 af 00 00 00 48 8b 13 4c 89 e9 4c 89 fe 48 c7 c7 20 24 e2 84 e8 6a cd d5 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 47.501501] RSP: 0018:ffff88801a1bfbf0 EFLAGS: 00010286 [ 47.502197] RAX: 0000000000000000 RBX: ffff88800eebfe40 RCX: 0000000000000000 [ 47.503064] RDX: ffff88800c9e9b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 47.503958] RBP: ffff88800eebfe54 R08: 0000000000000001 R09: 0000000000000000 [ 47.504877] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 47.505811] R13: ffffffff84e223a0 R14: ffff88800eebfe48 R15: ffffffff84daf020 [ 47.506714] FS: 0000555557109400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 47.507728] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.508482] CR2: 00007fad6348a570 CR3: 0000000009d80000 CR4: 0000000000350ee0 [ 47.509390] Call Trace: [ 47.509736] [ 47.510040] nf_ct_net_init+0x224/0x3d0 [ 47.510600] ? __pfx_nf_ct_net_init+0x10/0x10 [ 47.511212] ops_init+0xbb/0x6b0 [ 47.511651] setup_net+0x3d9/0x990 [ 47.512144] ? down_read_killable+0x1d7/0x4e0 [ 47.512710] ? __pfx_setup_net+0x10/0x10 [ 47.513256] ? copy_net_ns+0x17c/0x770 [ 47.513788] copy_net_ns+0x321/0x770 [ 47.514318] create_new_namespaces+0x3f6/0xb30 [ 47.514900] unshare_nsproxy_namespaces+0xc1/0x200 [ 47.515544] ksys_unshare+0x44d/0x8e0 [ 47.516031] ? __pfx_ksys_unshare+0x10/0x10 [ 47.516606] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 47.517354] __x64_sys_unshare+0x31/0x40 [ 47.517887] do_syscall_64+0x3f/0x90 [ 47.518398] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 47.519041] RIP: 0033:0x7fc0d6f580d7 [ 47.519528] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 47.521693] RSP: 002b:00007fffe9f68d48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 47.522673] RAX: ffffffffffffffda RBX: 00007fffe9f69388 RCX: 00007fc0d6f580d7 [ 47.523569] RDX: 00007fc0d6fc241f RSI: 00007fffe9f68ce0 RDI: 0000000040000000 [ 47.524456] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffe9f68af0 [ 47.525340] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fc0d706abf0 [ 47.526256] R13: 00007fffe9f68e20 R14: 0000000000000000 R15: 00000000000000f8 [ 47.527171] [ 47.527473] irq event stamp: 13617 [ 47.527905] hardirqs last enabled at (13627): [] __up_console_sem+0x78/0x80 [ 47.528972] hardirqs last disabled at (13638): [] __up_console_sem+0x5d/0x80 [ 47.530074] softirqs last enabled at (13412): [] irq_exit_rcu+0x93/0xc0 [ 47.531134] softirqs last disabled at (13403): [] irq_exit_rcu+0x93/0xc0 [ 47.532175] ---[ end trace 0000000000000000 ]--- executing program [ 49.034806] Bluetooth: hci0: command 0x0409 tx timeout [ 51.082182] Bluetooth: hci0: command 0x041b tx timeout executing program [ 53.130172] Bluetooth: hci0: command 0x040f tx timeout executing program [ 55.178167] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 13:25:21 Registers: info registers vcpu 0 RAX=0000000000000032 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801a1bf618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000032 R11=0000000000000001 R12=0000000000000032 R13=ffffffff87f27bc0 R14=0000000000000010 R15=ffffffff82507670 RIP=ffffffff825076dd RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000555557109400 00000000 00000000 GS =0000 ffff88806ce00000 00000000 00000000 LDT=0000 fffffe0000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fb3fd8456f4 CR3=0000000009d80000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=00000000000000000000000000000000 XMM02=00000000000000000000000000000000 XMM03=00000000000000000000000000000000 XMM04=0000000000000000000000000000ff00 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000001c9e259438 RBX=0000000000000000 RCX=00000000000006e0 RDX=000000000000001c RSI=ffff88806cf28140 RDI=0000000000052fea RBP=ffff88806cf28140 RSP=ffff88800fdc7e28 R8 =0000000000000007 R9 =0000000000000000 R10=00000000000ed92d R11=0000000000000001 R12=0000000000052fea R13=0000000000000000 R14=0000000000000000 R15=ffff88806cf2b900 RIP=ffffffff811068c5 RFL=00000013 [----A-C] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f168d8b1700 00000000 00000000 GS =0000 ffff88806cf00000 00000000 00000000 LDT=0000 fffffe0000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fad63484780 CR3=0000000015bce000 CR4=00350ee0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=ffff0000000000000000000000000000 XMM02=ffff0000000000000000000000000000 XMM03=6465746e69615420302e726f74756365 XMM04=636f72703d7373616c63742030733a74 XMM05=3a755f6d65747379733d747865746e6f XMM06=5f6d65747379733a755f6d6574737973 XMM07=00000000000000000000000000000000 XMM08=000031232036313530333230322d7478 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000